/*
 * @Author: “ygnnli” “1585923072@qq.com”
 * @Date: 2024-07-29 21:37:53
 * @LastEditors: “ygnnli” “1585923072@qq.com”
 * @LastEditTime: 2024-08-10 16:47:38
 * @FilePath: /110/27/processpool./task.hpp
 * @Description: 这是默认设置,请设置`customMade`, 打开koroFileHeader查看配置 进行设置: https://github.com/OBKoro1/koro1FileHeader/wiki/%E9%85%8D%E7%BD%AE
 */
#pragma once

#include <iostream>
#include <unistd.h>

using namespace std;

typedef void (*work_t)(int);        // 函数指针类型
typedef void (*task_t)(int, pid_t); // 函数指针类型

void PrintLog(int fd, pid_t pid)
{
    cout << "sub process: " << pid << ", fd: " << fd << ", task is : printf log task\n"
         << endl;
}

void ReloadConf(int fd, pid_t pid)
{
    cout << "sub process: " << pid << ", fd: " << fd << ", task is : reload conf task\n"
         << endl;
}

void ConnectMysql(int fd, pid_t pid)
{
    cout << "sub process: " << pid << ", fd: " << fd << ", task is : connect mysql task\n"
         << endl;
}

task_t tasks[3] = {PrintLog, ReloadConf, ConnectMysql};

uint32_t NextTask()
{
    return rand() % 3;
}

void worker(int fd)
{
    
    while (true)
    {
        uint32_t command_code = 0;
        ssize_t n = read(0, &command_code, sizeof(command_code)); // 从0（标准输入）中读取任务 没有任务就阻塞等待
        if (n == sizeof(command_code))
        {
            if (command_code >= 3)
                continue;
            tasks[command_code](fd, getpid());
        }
        else if (n == 0)
        {
            std::cout << "sub process: " << getpid() << " quit now..." << std::endl;
            break;
        }
    }
}